A block of weight 39n is launched up a 30 degrees inclined
A block of weight 3.9N is launched up a 30 degrees inclined plane 2.10m long by a spring with k = 2.15kN/m and maximum compression 0.10m. The coefficient of kinetic friction is 0.50. How much kinetic energy does it have there?
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at what temperature is the root-mean-square speed of nitrogen molecules equal to the root-mean-square speed of hydrogen
a block of weight 39n is launched up a 30 degrees inclined plane 210m long by a spring with k 215knm and maximum
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